55518820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{396563}}^1$

素因数の和:396579

約数の個数: 24

約数和(自身を含む): 133245504

約数和(自身を除く): 77726684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 396563, 793126, 1586252, 1982815, 2775941, 3965630, 5551882, 7931260, 11103764, 13879705, 27759410, 55518820]

約数ペア:

[(1, 55518820), (2, 27759410), (4, 13879705), (5, 11103764), (7, 7931260), (10, 5551882), (14, 3965630), (20, 2775941), (28, 1982815), (35, 1586252), (70, 793126), (140, 396563)]